In my church, JOy to the World! was the traditional, and wide-open recessional number- indeed recessional- and played-out to the max!
The answer is Wham!
She sang "Last Christmas."
Cascades sang the song 'Last Leaf'.
Etta James sang the song "At Last"
John Lennon
He sang the song "trouble" .
If you mean the song... no, that was Wham!. NO! The Danish Beatles cover band "Rubber Band" sang "Last Christmas" it sounds WAAAAY better than Wham's version.
Bing Crosby
George Micheal
The song is "I'd Like to Have an Elephant for Christmas" by Hank Thompson
Chris Brown sang the song This Christmas in the movie This Christmas.
Chris Rea
Alvin and the Chipmunks